Originally posted by mdb2097
Original duct work, this was a changeout. I had 6 different companies provide quotes. This contractor was not the cheapest and had the best reviews from realatives. None of the 6 did any calculations, just looked and quoted.

That's why I say ,friends and relatives don't know a good contractor from a bad one.They only know if there system "works",big difference,as you can see,your system likely "works" okay,but not a quality install.